Decompile bootPhase1
This commit is contained in:
Ryan Dwyer
parent
9da91a226d
commit
83d0268f19
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@ -132,8 +132,7 @@ typedef struct OSThread_s {
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/* Thread operations */
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extern void osCreateThread(OSThread *, OSId, void (*)(void *),
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void *, void *, OSPri);
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extern void osCreateThread(OSThread *, OSId, void (*)(void *), void *, void *, OSPri);
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extern void osDestroyThread(OSThread *);
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extern void osYieldThread(void);
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extern void osStartThread(OSThread *);
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7
ld/pd.ld
7
ld/pd.ld
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@ -152,13 +152,6 @@ SECTIONS
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osMemSize = 0x80000318;
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osAppNMIBuffer = 0x8000031c;
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var800902e4 = 0x800902e4; /* for ntsc-beta */
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var800902e8 = 0x800902e8; /* for ntsc-beta */
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var803f50b8 = 0x803f50b8;
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varbc000c02 = 0xbc000c02; /* for ntsc-beta */
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getitle0f0155f0_hack = getitle0f0155f0;
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viGetHeight_hack = viGetHeight;
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@ -8105,7 +8105,7 @@ void titleTickNintendoLogo(void)
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}
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if (joyGetButtonsPressedThisFrame(0, 0xffff)) {
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if (osResetType == 1 /*warm*/) {
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if (osResetType == RESETTYPE_WARM) {
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g_TitleButtonPressed = true;
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titleSetNextMode(TITLEMODE_PDLOGO);
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} else if (!g_TitleButtonPressed) {
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@ -8278,7 +8278,7 @@ void titleTickRareLogo(void)
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g_TitleTimer += g_Vars.lvupdate240_60;
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if (joyGetButtonsPressedThisFrame(0, 0xffff)) {
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if (osResetType == 1 /*warm*/) {
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if (osResetType == RESETTYPE_WARM) {
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g_TitleButtonPressed = true;
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titleSetNextMode(TITLEMODE_PDLOGO);
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} else if (!g_TitleButtonPressed) {
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@ -3496,6 +3496,9 @@
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#define RENDERPASS_XLU 1
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#define RENDERPASS_OPA_POSTBG 2
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#define RESETTYPE_COLD 0
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#define RESETTYPE_WARM 1
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#define ROOMFLAG_DISABLEDBYSCRIPT 0x0001
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#define ROOMFLAG_HASDYNTEX 0x0002 // Has dynamic textures such as water
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#define ROOMFLAG_ONSCREEN 0x0004
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@ -3797,6 +3800,13 @@
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#define STACKSIZE_FAULT 0x2000
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#define STACKSIZE_RESET 0x100
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#define STACK_START (0x80400000 \
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- STACKSIZE_MAIN \
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- STACKSIZE_IDLE \
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- STACKSIZE_RMON \
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- STACKSIZE_SCHED \
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- STACKSIZE_AUDIO)
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#define STAGE_MP_RANDOM 0x01
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#define STAGE_MAIANSOS 0x09
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#define STAGE_TEST_SILO 0x14
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443
src/lib/boot.c
443
src/lib/boot.c
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@ -28,7 +28,12 @@ OSMesgQueue *g_SchedCmdQ;
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u32 var8008dbcc;
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OSSched g_Sched;
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OSScClient var8008dca8;
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#if VERSION >= VERSION_NTSC_1_0
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u32 g_OsMemSize;
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#else
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u16 *var800902e4;
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u16 var800902e8;
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#endif
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u32 var8005ce00 = 0;
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u32 var8005ce04 = 0;
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@ -47,10 +52,6 @@ extern u8 *_dataSegmentStart;
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extern u8 *_inflateSegmentStart;
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extern u8 *_inflateSegmentRomStart;
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extern u8 *_inflateSegmentRomEnd;
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extern u32 var803f50b8;
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extern u16 varbc000c02;
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extern u16 *var800902e4;
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extern s16 var800902e8;
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#if VERSION >= VERSION_NTSC_1_0
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s32 bootGetMemSize(void)
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@ -59,255 +60,8 @@ s32 bootGetMemSize(void)
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}
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#endif
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#if VERSION >= VERSION_NTSC_1_0
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GLOBAL_ASM(
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glabel bootPhase1
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/* 16cc: 3c0e8000 */ lui $t6,%hi(osResetType)
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/* 16d0: 8dce030c */ lw $t6,%lo(osResetType)($t6)
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/* 16d4: 27bdffd8 */ addiu $sp,$sp,-40
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/* 16d8: 24010001 */ addiu $at,$zero,0x1
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/* 16dc: afbf0024 */ sw $ra,0x24($sp)
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/* 16e0: 15c10007 */ bne $t6,$at,.L00001700
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/* 16e4: afb00020 */ sw $s0,0x20($sp)
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/* 16e8: 3c0f803f */ lui $t7,0x803f
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/* 16ec: 8df850b8 */ lw $t8,0x50b8($t7)
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/* 16f0: 3c028009 */ lui $v0,%hi(g_OsMemSize)
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/* 16f4: 2442dcb4 */ addiu $v0,$v0,%lo(g_OsMemSize)
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/* 16f8: 10000008 */ b .L0000171c
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/* 16fc: ac580000 */ sw $t8,0x0($v0)
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.L00001700:
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/* 1700: 3c198000 */ lui $t9,%hi(osMemSize)
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/* 1704: 8f390318 */ lw $t9,%lo(osMemSize)($t9)
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/* 1708: 3c028009 */ lui $v0,%hi(g_OsMemSize)
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/* 170c: 2442dcb4 */ addiu $v0,$v0,%lo(g_OsMemSize)
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/* 1710: 3c0a803f */ lui $t2,0x803f
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/* 1714: ac590000 */ sw $t9,0x0($v0)
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/* 1718: ad5950b8 */ sw $t9,0x50b8($t2)
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.L0000171c:
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/* 171c: 3c040004 */ lui $a0,%hi(_datazipSegmentRomStart)
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/* 1720: 3c0b0005 */ lui $t3,%hi(_datazipSegmentRomEnd)
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/* 1724: 3c0c0005 */ lui $t4,%hi(_inflateSegmentRomEnd)
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/* 1728: 3c0d0005 */ lui $t5,%hi(_inflateSegmentRomStart)
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/* 172c: 25ade850 */ addiu $t5,$t5,%lo(_inflateSegmentRomStart)
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/* 1730: 258cfc40 */ addiu $t4,$t4,%lo(_inflateSegmentRomEnd)
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/* 1734: 256be850 */ addiu $t3,$t3,%lo(_datazipSegmentRomEnd)
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/* 1738: 24849850 */ addiu $a0,$a0,%lo(_datazipSegmentRomStart)
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/* 173c: 01644023 */ subu $t0,$t3,$a0
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/* 1740: 018d7023 */ subu $t6,$t4,$t5
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/* 1744: 010e1821 */ addu $v1,$t0,$t6
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/* 1748: 2462ffff */ addiu $v0,$v1,-1
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/* 174c: 0440000b */ bltz $v0,.L0000177c
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/* 1750: 3c057000 */ lui $a1,%hi(_libSegmentStart)
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/* 1754: 3c017000 */ lui $at,0x7000
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/* 1758: 3c0f7020 */ lui $t7,0x7020
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/* 175c: 01e88023 */ subu $s0,$t7,$t0
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/* 1760: 00811825 */ or $v1,$a0,$at
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.L00001764:
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/* 1764: 0062c021 */ addu $t8,$v1,$v0
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/* 1768: 93190000 */ lbu $t9,0x0($t8)
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/* 176c: 02024821 */ addu $t1,$s0,$v0
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/* 1770: 2442ffff */ addiu $v0,$v0,-1
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/* 1774: 0441fffb */ bgez $v0,.L00001764
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/* 1778: a1390000 */ sb $t9,0x0($t1)
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.L0000177c:
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/* 177c: 24a51050 */ addiu $a1,$a1,%lo(_libSegmentStart)
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/* 1780: 3c07702c */ lui $a3,0x702c
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/* 1784: 3c0a7020 */ lui $t2,0x7020
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/* 1788: 01488023 */ subu $s0,$t2,$t0
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/* 178c: 34e793e0 */ ori $a3,$a3,0x93e0
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/* 1790: 24a52000 */ addiu $a1,$a1,0x2000
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/* 1794: 00002025 */ or $a0,$zero,$zero
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/* 1798: 3c037028 */ lui $v1,0x7028
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.L0000179c:
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/* 179c: 00a45821 */ addu $t3,$a1,$a0
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/* 17a0: 8d6c0000 */ lw $t4,0x0($t3)
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/* 17a4: 24630004 */ addiu $v1,$v1,0x4
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/* 17a8: 0067082b */ sltu $at,$v1,$a3
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/* 17ac: 24840004 */ addiu $a0,$a0,0x4
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/* 17b0: 1420fffa */ bnez $at,.L0000179c
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/* 17b4: ac6cfffc */ sw $t4,-0x4($v1)
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/* 17b8: 3c047028 */ lui $a0,0x7028
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/* 17bc: 0c0005ab */ jal segInflate
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/* 17c0: 3c068030 */ lui $a2,0x8030
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/* 17c4: 3c058006 */ lui $a1,%hi(_dataSegmentStart)
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/* 17c8: 24a59fe0 */ addiu $a1,$a1,%lo(_dataSegmentStart)
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/* 17cc: 02002025 */ or $a0,$s0,$zero
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/* 17d0: 0c0005ab */ jal segInflate
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/* 17d4: 3c068030 */ lui $a2,0x8030
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/* 17d8: 3c0da000 */ lui $t5,0xa000
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/* 17dc: 8dae02e8 */ lw $t6,0x2e8($t5)
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/* 17e0: 3c01c86e */ lui $at,0xc86e
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/* 17e4: 34212000 */ ori $at,$at,0x2000
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/* 17e8: 11c10003 */ beq $t6,$at,.L000017f8
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/* 17ec: 24040001 */ addiu $a0,$zero,0x1
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.L000017f0:
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/* 17f0: 1000ffff */ b .L000017f0
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/* 17f4: 00000000 */ nop
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.L000017f8:
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/* 17f8: 0c00058d */ jal tlbUnmapRange
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/* 17fc: 2405001f */ addiu $a1,$zero,0x1f
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/* 1800: 3c048006 */ lui $a0,%hi(g_StackLeftAddrs)
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/* 1804: 3c038006 */ lui $v1,%hi(g_StackRightAddrs)
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/* 1808: 3c028006 */ lui $v0,%hi(g_StackRightAddrs+0x1c)
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/* 180c: 2442ce48 */ addiu $v0,$v0,%lo(g_StackRightAddrs+0x1c)
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/* 1810: 2463ce2c */ addiu $v1,$v1,%lo(g_StackRightAddrs)
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/* 1814: 2484ce10 */ addiu $a0,$a0,%lo(g_StackLeftAddrs)
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.L00001818:
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/* 1818: 24630004 */ addiu $v1,$v1,0x4
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/* 181c: 24840004 */ addiu $a0,$a0,0x4
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/* 1820: ac80fffc */ sw $zero,-0x4($a0)
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/* 1824: 1462fffc */ bne $v1,$v0,.L00001818
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/* 1828: ac60fffc */ sw $zero,-0x4($v1)
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/* 182c: 0c0016d8 */ jal osInitialize
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/* 1830: 00000000 */ nop
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/* 1834: 0c012048 */ jal osWritebackDCacheAll
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/* 1838: 00000000 */ nop
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/* 183c: 3c048000 */ lui $a0,0x8000
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/* 1840: 0c012054 */ jal osInvalICache
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/* 1844: 24054000 */ addiu $a1,$zero,0x4000
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/* 1848: 0c012074 */ jal __osGetFpcCsr
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/* 184c: 00000000 */ nop
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/* 1850: 0c012078 */ jal __osSetFpcCsr
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/* 1854: 34440e80 */ ori $a0,$v0,0xe80
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/* 1858: 24040003 */ addiu $a0,$zero,0x3
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/* 185c: 0c00062b */ jal bootAllocateStack
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/* 1860: 34059800 */ dli $a1,0x9800
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/* 1864: 3c108009 */ lui $s0,%hi(g_MainThread)
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/* 1868: 2610d6d0 */ addiu $s0,$s0,%lo(g_MainThread)
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/* 186c: 3c067000 */ lui $a2,%hi(bootPhase2)
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/* 1870: 2409000a */ addiu $t1,$zero,0xa
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/* 1874: afa90014 */ sw $t1,0x14($sp)
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/* 1878: 24c61aa4 */ addiu $a2,$a2,%lo(bootPhase2)
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/* 187c: 02002025 */ or $a0,$s0,$zero
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/* 1880: 24050003 */ addiu $a1,$zero,0x3
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/* 1884: 00003825 */ or $a3,$zero,$zero
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/* 1888: 0c000fb8 */ jal osCreateThread
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/* 188c: afa20010 */ sw $v0,0x10($sp)
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/* 1890: 0c01207c */ jal osStartThread
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/* 1894: 02002025 */ or $a0,$s0,$zero
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/* 1898: 8fbf0024 */ lw $ra,0x24($sp)
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/* 189c: 8fb00020 */ lw $s0,0x20($sp)
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/* 18a0: 27bd0028 */ addiu $sp,$sp,0x28
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/* 18a4: 03e00008 */ jr $ra
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/* 18a8: 00000000 */ nop
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);
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#else
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GLOBAL_ASM(
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glabel bootPhase1
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/* 1720: 3c040003 */ lui $a0,0x3
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/* 1724: 3c0e0004 */ lui $t6,0x4
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/* 1728: 3c0f0004 */ lui $t7,0x4
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/* 172c: 3c180004 */ lui $t8,0x4
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/* 1730: 27182850 */ addiu $t8,$t8,0x2850
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/* 1734: 25ef3c40 */ addiu $t7,$t7,0x3c40
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/* 1738: 25ce2850 */ addiu $t6,$t6,0x2850
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/* 173c: 24840850 */ addiu $a0,$a0,0x850
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/* 1740: 01c44023 */ subu $t0,$t6,$a0
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/* 1744: 01f8c823 */ subu $t9,$t7,$t8
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/* 1748: 01191821 */ addu $v1,$t0,$t9
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/* 174c: 27bdffd8 */ addiu $sp,$sp,-40
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/* 1750: 2462ffff */ addiu $v0,$v1,-1
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/* 1754: afbf0024 */ sw $ra,0x24($sp)
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/* 1758: 0440000b */ bltz $v0,.L00001788
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/* 175c: afb00020 */ sw $s0,0x20($sp)
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/* 1760: 3c017000 */ lui $at,0x7000
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/* 1764: 3c097020 */ lui $t1,0x7020
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/* 1768: 01288023 */ subu $s0,$t1,$t0
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/* 176c: 00811825 */ or $v1,$a0,$at
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.L00001770:
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/* 1770: 00625021 */ addu $t2,$v1,$v0
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/* 1774: 914b0000 */ lbu $t3,0x0($t2)
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/* 1778: 02026021 */ addu $t4,$s0,$v0
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/* 177c: 2442ffff */ addiu $v0,$v0,-1
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/* 1780: 0441fffb */ bgez $v0,.L00001770
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/* 1784: a18b0000 */ sb $t3,0x0($t4)
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.L00001788:
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/* 1788: 3c057000 */ lui $a1,0x7000
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/* 178c: 24a51050 */ addiu $a1,$a1,0x1050
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/* 1790: 3c0d7020 */ lui $t5,0x7020
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/* 1794: 3c07702c */ lui $a3,0x702c
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/* 1798: 34e793e0 */ ori $a3,$a3,0x93e0
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/* 179c: 01a88023 */ subu $s0,$t5,$t0
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/* 17a0: 24a52000 */ addiu $a1,$a1,0x2000
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/* 17a4: 00002025 */ move $a0,$zero
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/* 17a8: 3c037028 */ lui $v1,0x7028
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.L000017ac:
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/* 17ac: 00a47021 */ addu $t6,$a1,$a0
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/* 17b0: 8dcf0000 */ lw $t7,0x0($t6)
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/* 17b4: 24630004 */ addiu $v1,$v1,0x4
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/* 17b8: 0067082b */ sltu $at,$v1,$a3
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/* 17bc: 24840004 */ addiu $a0,$a0,0x4
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/* 17c0: 1420fffa */ bnez $at,.L000017ac
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/* 17c4: ac6ffffc */ sw $t7,-0x4($v1)
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/* 17c8: 3c047028 */ lui $a0,0x7028
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/* 17cc: 0c0005c3 */ jal segInflate
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/* 17d0: 3c068030 */ lui $a2,0x8030
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/* 17d4: 3c058006 */ lui $a1,0x8006
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/* 17d8: 24a5b760 */ addiu $a1,$a1,-18592
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/* 17dc: 02002025 */ move $a0,$s0
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/* 17e0: 0c0005c3 */ jal segInflate
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/* 17e4: 3c068030 */ lui $a2,0x8030
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/* 17e8: 24040001 */ li $a0,0x1
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/* 17ec: 0c00059c */ jal tlbUnmapRange
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/* 17f0: 2405001f */ li $a1,0x1f
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/* 17f4: 3c048006 */ lui $a0,0x8006
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/* 17f8: 3c038006 */ lui $v1,0x8006
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/* 17fc: 3c028006 */ lui $v0,0x8006
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/* 1800: 2442e5c8 */ addiu $v0,$v0,-6712
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/* 1804: 2463e5ac */ addiu $v1,$v1,-6740
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/* 1808: 2484e590 */ addiu $a0,$a0,-6768
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.L0000180c:
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/* 180c: 24630004 */ addiu $v1,$v1,0x4
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/* 1810: 24840004 */ addiu $a0,$a0,0x4
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/* 1814: ac80fffc */ sw $zero,-0x4($a0)
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/* 1818: 1462fffc */ bne $v1,$v0,.L0000180c
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/* 181c: ac60fffc */ sw $zero,-0x4($v1)
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/* 1820: 0c001728 */ jal osInitialize
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/* 1824: 00000000 */ nop
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/* 1828: 0c01253c */ jal osWritebackDCacheAll
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/* 182c: 00000000 */ nop
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/* 1830: 3c048000 */ lui $a0,0x8000
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/* 1834: 0c012548 */ jal osInvalICache
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/* 1838: 24054000 */ li $a1,0x4000
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/* 183c: 0c012568 */ jal __osGetFpcCsr
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/* 1840: 00000000 */ nop
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/* 1844: 0c01256c */ jal __osSetFpcCsr
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/* 1848: 34440e80 */ ori $a0,$v0,0xe80
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/* 184c: 3c03bc00 */ lui $v1,0xbc00
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/* 1850: 34630c02 */ ori $v1,$v1,0xc02
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/* 1854: 3c018009 */ lui $at,0x8009
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/* 1858: ac2302e4 */ sw $v1,0x2e4($at)
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/* 185c: 3c018009 */ lui $at,0x8009
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/* 1860: 240a4040 */ li $t2,0x4040
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/* 1864: a42a02e8 */ sh $t2,0x2e8($at)
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/* 1868: 240b4040 */ li $t3,0x4040
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/* 186c: a46b0000 */ sh $t3,0x0($v1)
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/* 1870: 24040003 */ li $a0,0x3
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/* 1874: 0c000631 */ jal bootAllocateStack
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/* 1878: 34059800 */ li $a1,0x9800
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/* 187c: 3c108009 */ lui $s0,0x8009
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/* 1880: 2610fd00 */ addiu $s0,$s0,-768
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/* 1884: 3c067000 */ lui $a2,0x7000
|
||||
/* 1888: 240c000a */ li $t4,0xa
|
||||
/* 188c: afac0014 */ sw $t4,0x14($sp)
|
||||
/* 1890: 24c61b04 */ addiu $a2,$a2,0x1b04
|
||||
/* 1894: 02002025 */ move $a0,$s0
|
||||
/* 1898: 24050003 */ li $a1,0x3
|
||||
/* 189c: 00003825 */ move $a3,$zero
|
||||
/* 18a0: 0c00107c */ jal osCreateThread
|
||||
/* 18a4: afa20010 */ sw $v0,0x10($sp)
|
||||
/* 18a8: 0c012570 */ jal osStartThread
|
||||
/* 18ac: 02002025 */ move $a0,$s0
|
||||
/* 18b0: 8fbf0024 */ lw $ra,0x24($sp)
|
||||
/* 18b4: 8fb00020 */ lw $s0,0x20($sp)
|
||||
/* 18b8: 27bd0028 */ addiu $sp,$sp,0x28
|
||||
/* 18bc: 03e00008 */ jr $ra
|
||||
/* 18c0: 00000000 */ nop
|
||||
);
|
||||
#endif
|
||||
|
||||
u32 __osGetFpcCsr(void);
|
||||
void __osSetFpcCsr(u32 arg0);
|
||||
u32 __osSetFpcCsr(u32 arg0);
|
||||
|
||||
/**
|
||||
* Prepares the inflate, .data and lib segments, then creates and starts the
|
||||
|
|
@ -318,93 +72,104 @@ void __osSetFpcCsr(u32 arg0);
|
|||
* in RAM thanks to this but need to be relocated, and .data and lib need to be
|
||||
* unzipped too.
|
||||
*/
|
||||
// Mismatch: Reordered instructions.
|
||||
// Remove U from 75000U for another interesting codegen.
|
||||
//void bootPhase1(void)
|
||||
//{
|
||||
// s32 datacomplen;
|
||||
// s32 inflatelen;
|
||||
// u32 dataziprom;
|
||||
// u32 datazipram;
|
||||
// u32 libram;
|
||||
// u32 libzipram;
|
||||
// u32 dataram;
|
||||
// u32 copylen;
|
||||
// s32 i;
|
||||
//
|
||||
//#if VERSION >= VERSION_NTSC_1_0
|
||||
// if (osResetType == 1) {
|
||||
// g_OsMemSize = *(u32 *)0x803f50b8;
|
||||
// } else {
|
||||
// *(u32 *)0x803f50b8 = g_OsMemSize = osMemSize;
|
||||
// }
|
||||
//#endif
|
||||
//
|
||||
// // Copy compressed .data and inflate segments
|
||||
// // .data is copied from ROM to 0x701eb000 - 0x70200000
|
||||
// // inflate is copied from ROM to 0x70200000 - 0x702013f0
|
||||
// datacomplen = (s32)&_datazipSegmentRomEnd - (s32)&_datazipSegmentRomStart;
|
||||
// inflatelen = (s32)&_inflateSegmentRomEnd - (s32)&_inflateSegmentRomStart;
|
||||
// copylen = datacomplen + inflatelen;
|
||||
// libram = (u32)&_libSegmentStart + 0x2000;
|
||||
// libzipram = 0x70280000;
|
||||
// dataziprom = (u32)&_datazipSegmentRomStart | 0x70000000;
|
||||
// datazipram = 0x70200000 - datacomplen;
|
||||
// dataram = (u32)&_dataSegmentStart;
|
||||
//
|
||||
// for (i = copylen - 1; i >= 0; i--) {
|
||||
// ((u8 *)datazipram)[i] = ((u8 *)dataziprom)[i];
|
||||
// }
|
||||
//
|
||||
// // Copy the compressed part of lib to 0x70280000.
|
||||
// // lib is compressed from 2KB onwards.
|
||||
// // It's assumed that lib's compressed length is less than 75000 words.
|
||||
// // This is fine, as it's about half that.
|
||||
// for (i = 0; i < 75000U; i++) {
|
||||
// ((u32 *)libzipram)[i] = ((u32 *)libram)[i];
|
||||
// }
|
||||
//
|
||||
// // Inflate compressed part of lib
|
||||
// segInflate((void *) libzipram, (void *) libram, (void *) 0x80300000);
|
||||
//
|
||||
// // Inflate .data
|
||||
// segInflate((void *) datazipram, (void *) dataram, (void *) 0x80300000);
|
||||
//
|
||||
//#if PIRACYCHECKS
|
||||
// if (IO_READ(0xa00002e8) != 0xc86e2000) {
|
||||
// while (1);
|
||||
// }
|
||||
//#endif
|
||||
//
|
||||
// tlbUnmapRange(1, NTLBENTRIES);
|
||||
//
|
||||
// // Clear the stack allocation pointers
|
||||
// for (i = 0; i < ARRAYCOUNT(g_StackLeftAddrs); i++) {
|
||||
// g_StackLeftAddrs[i] = NULL;
|
||||
// g_StackRightAddrs[i] = NULL;
|
||||
// }
|
||||
//
|
||||
// osInitialize();
|
||||
//
|
||||
// // Write all data memory cache into physical memory
|
||||
// osWritebackDCacheAll();
|
||||
//
|
||||
// // Invalidate all instruction cache
|
||||
// osInvalICache((void *) 0x80000000, ICACHE_SIZE);
|
||||
//
|
||||
// // Enable inexact operation, overflow, division by zero and invalid operation
|
||||
// __osSetFpcCsr(__osGetFpcCsr() | (FPCSR_EI | FPCSR_EO | FPCSR_EZ | FPCSR_EV));
|
||||
//
|
||||
//#if VERSION < VERSION_NTSC_1_0
|
||||
// var800902e4 = &varbc000c02;
|
||||
// var800902e8 = 0x4040;
|
||||
// varbc000c02 = 0x4040;
|
||||
//#endif
|
||||
//
|
||||
// // Create and start the main thread
|
||||
// osCreateThread(&g_MainThread, THREAD_MAIN, bootPhase2, NULL, bootAllocateStack(THREAD_MAIN, STACKSIZE_MAIN), THREADPRI_MAIN);
|
||||
// osStartThread(&g_MainThread);
|
||||
//}
|
||||
void bootPhase1(void)
|
||||
{
|
||||
s32 datacomplen;
|
||||
s32 inflatelen;
|
||||
u8 *dataziprom;
|
||||
u8 *datazipram;
|
||||
u32 *libram;
|
||||
u32 *libzipram;
|
||||
u32 dataram;
|
||||
u32 copylen;
|
||||
s32 i;
|
||||
s32 numlibwords;
|
||||
u32 flags;
|
||||
|
||||
#if VERSION >= VERSION_NTSC_1_0
|
||||
if (osResetType == RESETTYPE_WARM) {
|
||||
g_OsMemSize = *(u32 *)(STACK_START - 8);
|
||||
} else {
|
||||
*(u32 *)(STACK_START - 8) = g_OsMemSize = osMemSize;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Copy compressed .data and inflate segments
|
||||
// .data is copied from ROM to 0x701eb000 - 0x70200000
|
||||
// inflate is copied from ROM to 0x70200000 - 0x702013f0
|
||||
datacomplen = (s32) &_datazipSegmentRomEnd - (s32) &_datazipSegmentRomStart;
|
||||
#if VERSION >= VERSION_NTSC_1_0
|
||||
if (1);
|
||||
#endif
|
||||
inflatelen = (s32) &_inflateSegmentRomEnd - (s32) &_inflateSegmentRomStart;
|
||||
copylen = datacomplen + inflatelen;
|
||||
libram = (u32 *) ((u32) &_libSegmentStart + 0x2000);
|
||||
libzipram = (u32 *) 0x70280000;
|
||||
dataziprom = (u8 *) ((s32) &_datazipSegmentRomStart | 0x70000000);
|
||||
datazipram = (u8 *) (0x70200000 - datacomplen);
|
||||
dataram = (u32) &_dataSegmentStart;
|
||||
|
||||
for (i = copylen - 1; i >= 0; i--) {
|
||||
datazipram[i] = dataziprom[i];
|
||||
}
|
||||
|
||||
// Copy the compressed part of lib to 0x70280000.
|
||||
// lib is compressed from 2KB onwards.
|
||||
// It's assumed that lib's compressed length is less than 75000 words.
|
||||
// This is fine, as it's about half that.
|
||||
numlibwords = 75000;
|
||||
|
||||
for (i = 0; i < numlibwords; i++) {
|
||||
libzipram[i] = libram[i];
|
||||
}
|
||||
|
||||
// Inflate compressed part of lib
|
||||
segInflate((void *) libzipram, (void *) libram, (void *) 0x80300000);
|
||||
|
||||
// Inflate .data
|
||||
segInflate((void *) datazipram, (void *) dataram, (void *) 0x80300000);
|
||||
|
||||
#if PIRACYCHECKS
|
||||
if (IO_READ(0xa00002e8) != 0xc86e2000) {
|
||||
while (1);
|
||||
}
|
||||
#endif
|
||||
|
||||
tlbUnmapRange(1, NTLBENTRIES);
|
||||
|
||||
// Clear the stack allocation pointers
|
||||
for (i = 0; i < ARRAYCOUNT(g_StackLeftAddrs); i++) {
|
||||
g_StackLeftAddrs[i] = NULL;
|
||||
g_StackRightAddrs[i] = NULL;
|
||||
}
|
||||
|
||||
osInitialize();
|
||||
|
||||
// Write all data memory cache into physical memory
|
||||
osWritebackDCacheAll();
|
||||
|
||||
// Invalidate all instruction cache
|
||||
osInvalICache((void *) 0x80000000, ICACHE_SIZE);
|
||||
|
||||
// Configure the floating point unit
|
||||
flags = __osGetFpcCsr();
|
||||
flags |= FPCSR_EI; // enable inexact operation
|
||||
flags |= FPCSR_EO; // enable overflow
|
||||
flags |= FPCSR_EZ; // enable division by zero
|
||||
flags |= FPCSR_EV; // enable invalid operation
|
||||
|
||||
__osSetFpcCsr(flags);
|
||||
|
||||
#if VERSION < VERSION_NTSC_1_0
|
||||
var800902e4 = (void *) 0xbc000c02;
|
||||
var800902e8 = 0x4040;
|
||||
*(s16 *) 0xbc000c02 = 0x4040;
|
||||
#endif
|
||||
|
||||
// Create and start the main thread
|
||||
osCreateThread(&g_MainThread, THREAD_MAIN, bootPhase2, NULL, bootAllocateStack(THREAD_MAIN, STACKSIZE_MAIN), THREADPRI_MAIN);
|
||||
osStartThread(&g_MainThread);
|
||||
}
|
||||
|
||||
/**
|
||||
* Allocate stack space for the given thread ID.
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@
|
|||
#include <os_internal.h>
|
||||
#include <R4300.h>
|
||||
#include <rcp.h>
|
||||
#include "constants.h"
|
||||
|
||||
typedef struct {
|
||||
unsigned int inst1;
|
||||
|
|
@ -57,7 +58,7 @@ void osInitialize(void)
|
|||
osClockRate = osClockRate * 3 / 4;
|
||||
#endif
|
||||
|
||||
if (osResetType == 0 /*cold reset*/) {
|
||||
if (osResetType == RESETTYPE_COLD) {
|
||||
bzero(&osAppNMIBuffer, 0x40);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@
|
|||
#include <os_internal.h>
|
||||
#include <R4300.h>
|
||||
#include <rcp.h>
|
||||
#include "constants.h"
|
||||
#include "versions.h"
|
||||
|
||||
/**
|
||||
|
|
@ -52,7 +53,7 @@ void osInitialize2()
|
|||
|
||||
osClockRate = osClockRate * 3 / 4;
|
||||
|
||||
if (osResetType == 0 /*cold reset */) {
|
||||
if (osResetType == RESETTYPE_COLD) {
|
||||
bzero(osAppNMIBuffer, OS_APP_NMI_BUFSIZE);
|
||||
}
|
||||
|
||||
|
|
|
|||
13
src/lib/vm.c
13
src/lib/vm.c
|
|
@ -106,13 +106,6 @@ extern u32 *g_VmZipTable;
|
|||
|
||||
#define MAX_LOADED_PAGES 268
|
||||
|
||||
#define VM_MEMORY_END (0x80400000 \
|
||||
- STACKSIZE_MAIN \
|
||||
- STACKSIZE_IDLE \
|
||||
- STACKSIZE_RMON \
|
||||
- STACKSIZE_SCHED \
|
||||
- STACKSIZE_AUDIO - 8)
|
||||
|
||||
#if VERSION >= VERSION_NTSC_1_0
|
||||
GLOBAL_ASM(
|
||||
glabel vmInit
|
||||
|
|
@ -818,8 +811,8 @@ glabel vmInit
|
|||
// sp1474 = t8 + 1;
|
||||
//
|
||||
// g_VmRamEnd = 0x7f000000 + PAGE_SIZE * g_VmNumPages;
|
||||
// g_VmStateTableEnd = VM_MEMORY_END;
|
||||
// g_VmStateTable = (u32 *)(VM_MEMORY_END - g_VmNumPages * 8);
|
||||
// g_VmStateTableEnd = STACK_START;
|
||||
// g_VmStateTable = (u32 *)(STACK_START - g_VmNumPages * 8);
|
||||
// g_VmZipTable = (u32 *)(((u32)g_VmStateTable - (sp1474 + 5) * 4) & ~0xf);
|
||||
//
|
||||
// // Load gamezips pointer list
|
||||
|
|
@ -864,7 +857,7 @@ glabel vmInit
|
|||
// g_Is4Mb = false;
|
||||
//
|
||||
// t8 = (u32)((&_gameSegmentEnd - &_gameSegmentStart) + 0xfff) / PAGE_SIZE;
|
||||
// s7 = (u8 *)VM_MEMORY_END;
|
||||
// s7 = (u8 *)STACK_START;
|
||||
// gameseg = (u8 *)(((u32)s7 - ALIGN64(&_gameSegmentEnd - &_gameSegmentStart)) & 0xfffe0000);
|
||||
// sp1474 = t8 + 1;
|
||||
//
|
||||
|
|
|
|||
Loading…
Reference in New Issue